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HardenedBSD/bin/ed
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Chia-Jung Chang a400e25904
ed(1): Fix grammar in comment 
Event:		Advanced UNIX programming course (Fall'23) at NTHU
Pull Request:	https://github.com/freebsd/freebsd-src/pull/1025
2024-02-13 17:55:54 +08:00
..
test Remove $FreeBSD$: one-line sh pattern 2023-08-16 11:55:03 -06:00
buf.c
ed.1 ed(1): Grammar fixes 2024-02-13 12:42:54 +08:00
ed.h bin: Remove ancient SCCS tags. 2023-11-26 22:23:28 -07:00
glbl.c bin: Automated cleanup of cdefs and other formatting 2023-11-26 22:23:59 -07:00
io.c
main.c ed(1): Fix grammar in comment 2024-02-13 17:55:54 +08:00
Makefile Remove $FreeBSD$: one-line sh pattern 2023-08-16 11:55:03 -06:00
Makefile.depend Remove $FreeBSD$: one-line sh pattern 2023-08-16 11:55:03 -06:00
POSIX Remove $FreeBSD$: one-line bare tag 2023-08-16 11:55:20 -06:00
re.c
README Remove $FreeBSD$: one-line bare tag 2023-08-16 11:55:20 -06:00
sub.c
undo.c

README 

ed is an 8-bit-clean, POSIX-compliant line editor.  It should work with
any regular expression package that conforms to the POSIX interface
standard, such as GNU regex(3).

If reliable signals are supported (e.g., POSIX sigaction(2)), it should
compile with little trouble.  Otherwise, the macros SPL1() and SPL0()
should be redefined to disable interrupts.

The following compiler directives are recognized:
NO_REALLOC_NULL	- if realloc(3) does not accept a NULL pointer
BACKWARDS	- for backwards compatibility
NEED_INSQUE	- if insque(3) is missing

The file `POSIX' describes extensions to and deviations from the POSIX
standard.

The ./test directory contains regression tests for ed. The README
file in that directory explains how to run these.

For a description of the ed algorithm, see Kernighan and Plauger's book
"Software Tools in Pascal," Addison-Wesley, 1981.